 | | Book | | settings created by human activity, such as roadcuts, mine dumps, and quarries. Good examples are also found...lignite occurs on a vast scale, as seen here in Germany. MINING A low grade brown-coloured coal, lignite...270 million year old deposits at Stassfurt in Germany. Igneous Rocks In the pages that follow, igneous...Kimberley, South Africa, is an abandoned diamond mine in a large kimberlite pipe. BIG HOLE, megacryst...economically important, such as here at Phalaborwa copper mine, South Africa. magnetite carbonate mineral |  | | Journal (issue) | | on calcite, from the El Oriente tunnel, Chivor mine, Boyaca, Colombia. William Larson collection; Van...wilensky Rhodochrosite, 21/4 inches, N”Chwaning Mine, Cape Prov., South Africa. Ex-collections Steve...Cumengéite Daubréeite Daubréelite Diaboléite Dufrénite Dufrénoysite Felsöbányaite Ferrohögbomite-2N2S...even farther, they may in fact have originated in Germany where an extensive glass-making industry had long...rom the amous 19 9 discovery at the Berilo Branco mine Minas Gerais Bra il. Conklin collection Je Scovil |  | | Book | | 1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil...including amateur col- lectors, company executives, mine owners, and vari- in the appropriate position. |
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